| Date - Field | Spain - Telephones - main lines in use |
2012 January Telephones - main lines in use | 19.904 million (2010) |
2011 January Telephones - main lines in use | 20.057 million (2009) |
2010 January Telephones - main lines in use | 20.2 million (2008) |
2009 January Telephones - main lines in use | 18.583 million (2007) |
2008 January Telephones - main lines in use | 18.385 million (2006) |
2007 January Telephones - main lines in use | 18.322 million (2005) |
2006 January Telephones - main lines in use | 17,567,500 (2003) |
2005 January Telephones - main lines in use | 17,567,500 (2003) |
2004 January Telephones - main lines in use | 20,595,300 (2002) |
2003 January Telephones - main lines in use | 17.336 million (1999) |
2002 January Telephones - main lines in use | 17.336 million (1999) |
2001 January Telephones - main lines in use | 17.336 million (1999) |
2000 January Telephones - main lines in use | 17.336 million (1999) |